Picnic table



FIG. 1 is a perspective view of a picnic table;

FIG. 2 is a front view of the picnic table shown in FIG. 1, with therear view, right side view and left side view being mirror imagesthereof;

FIG. 3 is a top view of the picnic table shown in FIG. 1; and,

FIG. 4 is a bottom view of the picnic table shown in FIG. 1.

The broken lines shown in the figures are for illustrative purposes onlyand form no part of the claimed design.

The ornamental design for a picnic table, as shown and described.